<template>
	<view class="app-page bg-gradient-blue-lighten-b" :class="calcPageClass" :style="[calcPageStyle]">
		<view v-if="calcBackgroundType!=='video'" class="tn-satr">
			<view class="sky"></view>
			<view class="stars">
				<view class="falling-stars">
					<view class="star-fall"></view>
					<view class="star-fall"></view>
					<view class="star-fall"></view>
					<view class="star-fall"></view>
				</view>
				<view class="small-stars">
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
				</view>
				<view class="medium-stars">
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
					<view class="star"></view>
				</view>
			</view>
		</view>

		<video v-else class="video-bg" :object-fit="startConfig.bgVideoFit" :src="$utils.checkUrl(startConfig.bgVideo)" :loop="true"
			:autoplay="true" :muted="true" :controls="false" :show-fullscreen-btn="false" :show-play-btn="false"
			:show-center-play-btn="false" :show-loading="false" :enable-progress-gesture="false"
			:show-progress="false"></video>

		<cover-view v-if="startConfig.title || startConfig.logo" class="title-container">

			<cover-view v-if="startConfig.logo" class="app-logo">
				<cover-view class="app-logo-border">
					<cover-image class="app-logo-image" :src="$utils.checkImageUrl(startConfig.logo)"
						mode="aspectFill"></cover-image>
				</cover-view>
			</cover-view>

			<cover-view v-if="startConfig.title" class="app-title" :style="startConfig.titleStyle">
				「 {{ startConfig.title }} 」
			</cover-view>
		</cover-view>

		<cover-view class="bottom-container">
			<cover-view class="text-align-center" :style="startConfig.descStyle"
				style="color:white;padding: 60vh 0 0 0;">
				<cover-view style="font-size: 44rpx;" v-show="startConfig.desc1">
					{{ startConfig.desc1 }}
				</cover-view>
				<cover-view class="mt-30 text-size-m" v-show="startConfig.desc2">
					{{ startConfig.desc2 }}
				</cover-view>
			</cover-view>
			<!-- #ifdef APP-PLUS -->
			<cover-view class="start-btn-app" :style="[startConfig.btnStyle]" @click="fnStart()">
				{{ startConfig.btnText || '开始体验' }}
			</cover-view>
			<!-- #endif -->
			<!-- #ifndef APP-PLUS -->
			<cover-view class="start-btn" :class="[startConfig.btnClass]" @click="fnStart()"
				:style="[startConfig.btnStyle]">{{ startConfig.btnText || '开始体验' }}
			</cover-view>
			<!-- #endif -->
		</cover-view>
		<!-- 波浪效果 -->
		<wave v-if="startConfig.useWave"></wave>
	</view>
</template>

<script>
	import wave from '@/components/wave/wave.vue';

	export default {
		components: {
			wave
		},
		computed: {
			startConfig() {
				return this.$tm.vx.getters().getConfigs.appConfig.startConfig;
			},
			calcBackgroundType() {
				return this.startConfig.backgroundType;
			},
			calcPageClass() {
				if (this.calcBackgroundType === 'color') {
					return [this.startConfig.bg]
				}
				return []
			},
			calcPageStyle() {
				if (this.calcBackgroundType === 'color') {
					return {}
				}
				if (this.calcBackgroundType === 'image') {
					return {
						backgroundImage: `url(${this.$utils.checkImageUrl(this.startConfig.bgImage)})!important`,
						backgroundSize: this.startConfig.bgImageFit
					}
				}
				if (this.calcBackgroundType === 'video') {
					return {
						background: '#ffffff'
					}
				}
				return {};
			}
		},
		methods: {
			fnStart() {
				uni.switchTab({
					url: '/pages/tabbar/home/home',
					success: () => {
						uni.setStorageSync('APP_HAS_STARTED', true);
					}
				});
			}
		}
	};
</script>

<style lang="scss" scoped>
	.app-page {
		position: relative;
		width: 100vw;
		height: 100vh;
		background-size: cover;
		background-repeat: no-repeat;
	}

	.start-btn {
		box-sizing: border-box;
		background-color: transparent;
		padding: 16rpx 50rpx;
		border-radius: 50rpx;
		border: 2rpx solid #ffffff;
		color: #ffffff;
		text-align: center;
		font-size: 28rpx;
		margin-top: 60rpx;
		margin-bottom: 120rpx;
	}

	.start-btn-app {
		border-radius: 50rpx;
		color: #ffffff;
		text-align: center;
		font-size: 28rpx;
		margin: 60rpx auto 120rpx auto;
		width: 40vw;
		height: 60rpx;
		line-height: 60rpx;
		border: 2rpx solid #ffffff;
	}

	.bottom-container {
		display: flex;
		flex-direction: column;
		position: absolute;
		bottom: 50rpx;
		left: 50%;
		transform: translateX(-50%);
		z-index: 999;
	}

	.video-bg {
		position: absolute;
		left: 0;
		top: 0;
		width: 100vw;
		height: 100vh;
		z-index: 0;
	}

	.title-container {
		width: 100vw;
		position: absolute;
		top: 20vh;
		left: 0;
		z-index: 999;
		display: flex;
		flex-direction: column;
		align-items: center;
		justify-content: center;
	}

	.app-logo {
		width: 200rpx;
		height: 200rpx;

		&-border {
			width: 100%;
			height: 100%;
			box-sizing: border-box;
			border: 8rpx solid rgba(255, 255, 255, 0.35);
			border-radius: 50%;
			overflow: hidden;
		}

		&-image {
			width: 100%;
			height: 100%;
			border-radius: 50%;
		}
	}

	.app-title {
		color: #ffffff;
		margin-top: 26rpx;
		font-size: 36rpx;
		font-weight: 600;
		text-align: center;
	}


	.tn-satr {
		position: fixed;
		width: 100%;
		height: 600px;
		overflow: hidden;
		flex-shrink: 0;
		z-index: 998;
	}

	.stars {
		position: absolute;
		z-index: 1;
		width: 100%;
		height: 400px;
	}

	.star {
		border-radius: 50%;
		background: #ffffff;
		box-shadow: 0 0 6px 0 rgba(255, 255, 255, 0.8);
	}

	.small-stars .star {
		position: absolute;
		width: 3px;
		height: 3px;
	}

	.small-stars .star:nth-child(2n) {
		opacity: 0;
		-webkit-animation: star-blink 1.2s linear infinite alternate;
		animation: star-blink 1.2s linear infinite alternate;
	}

	.small-stars .star:nth-child(1) {
		left: 40px;
		bottom: 50px;
	}

	.small-stars .star:nth-child(2) {
		left: 200px;
		bottom: 40px;
	}

	.small-stars .star:nth-child(3) {
		left: 60px;
		bottom: 120px;
	}

	.small-stars .star:nth-child(4) {
		left: 140px;
		bottom: 250px;
	}

	.small-stars .star:nth-child(5) {
		left: 400px;
		bottom: 300px;
	}

	.small-stars .star:nth-child(6) {
		left: 170px;
		bottom: 80px;
	}

	.small-stars .star:nth-child(7) {
		left: 200px;
		bottom: 360px;
		-webkit-animation-delay: 0.2s;
		animation-delay: 0.2s;
	}

	.small-stars .star:nth-child(8) {
		left: 250px;
		bottom: 320px;
	}

	.small-stars .star:nth-child(9) {
		left: 300px;
		bottom: 340px;
	}

	.small-stars .star:nth-child(10) {
		left: 130px;
		bottom: 320px;
		-webkit-animation-delay: 0.5s;
		animation-delay: 0.5s;
	}

	.small-stars .star:nth-child(11) {
		left: 230px;
		bottom: 330px;
		-webkit-animation-delay: 7s;
		animation-delay: 7s;
	}

	.small-stars .star:nth-child(12) {
		left: 300px;
		bottom: 360px;
		-webkit-animation-delay: 0.3s;
		animation-delay: 0.3s;
	}

	@-webkit-keyframes star-blink {
		50% {
			width: 3px;
			height: 3px;
			opacity: 1;
		}
	}

	@keyframes star-blink {
		50% {
			width: 3px;
			height: 3px;
			opacity: 1;
		}
	}

	.medium-stars .star {
		position: absolute;
		width: 3px;
		height: 3px;
		opacity: 0;
		-webkit-animation: star-blink 1.2s ease-in infinite alternate;
		animation: star-blink 1.2s ease-in infinite alternate;
	}

	.medium-stars .star:nth-child(1) {
		left: 300px;
		bottom: 50px;
	}

	.medium-stars .star:nth-child(2) {
		left: 400px;
		bottom: 40px;
		-webkit-animation-delay: 0.4s;
		animation-delay: 0.4s;
	}

	.medium-stars .star:nth-child(3) {
		left: 330px;
		bottom: 300px;
		-webkit-animation-delay: 0.2s;
		animation-delay: 0.2s;
	}

	.medium-stars .star:nth-child(4) {
		left: 460px;
		bottom: 300px;
		-webkit-animation-delay: 0.9s;
		animation-delay: 0.9s;
	}

	.medium-stars .star:nth-child(5) {
		left: 300px;
		bottom: 150px;
		-webkit-animation-delay: 1.2s;
		animation-delay: 1.2s;
	}

	.medium-stars .star:nth-child(6) {
		left: 440px;
		bottom: 120px;
		-webkit-animation-delay: 1s;
		animation-delay: 1s;
	}

	.medium-stars .star:nth-child(7) {
		left: 200px;
		bottom: 140px;
		-webkit-animation-delay: 0.8s;
		animation-delay: 0.8s;
	}

	.medium-stars .star:nth-child(8) {
		left: 30px;
		bottom: 480px;
		-webkit-animation-delay: 0.3s;
		animation-delay: 0.3s;
	}

	.medium-stars .star:nth-child(9) {
		left: 460px;
		bottom: 400px;
		-webkit-animation-delay: 1.2s;
		animation-delay: 1.2s;
	}

	.medium-stars .star:nth-child(10) {
		left: 150px;
		bottom: 10px;
		-webkit-animation-delay: 1s;
		animation-delay: 1s;
	}

	.medium-stars .star:nth-child(11) {
		left: 420px;
		bottom: 450px;
		-webkit-animation-delay: 1.2s;
		animation-delay: 1.2s;
	}

	.medium-stars .star:nth-child(12) {
		left: 340px;
		bottom: 180px;
		-webkit-animation-delay: 1.1s;
		animation-delay: 1.1s;
	}

	@keyframes star-blink {
		50% {
			width: 4px;
			height: 4px;
			opacity: 1;
		}
	}

	.star-fall {
		position: relative;
		border-radius: 2px;
		width: 80px;
		height: 2px;
		overflow: hidden;
		-webkit-transform: rotate(-20deg);
		transform: rotate(-20deg);
	}

	.star-fall:after {
		content: '';
		position: absolute;
		width: 50px;
		height: 2px;
		background: -webkit-gradient(linear, right top, left top, from(rgba(0, 0, 0, 0)), to(rgba(255, 255, 255, 0.4)));
		background: linear-gradient(to left, rgba(0, 0, 0, 0) 0%, rgba(255, 255, 255, 0.4) 100%);
		left: 100%;
		-webkit-animation: star-fall 3.6s linear infinite;
		animation: star-fall 3.6s linear infinite;
	}

	.star-fall:nth-child(1) {
		left: 80px;
		bottom: -100px;
	}

	.star-fall:nth-child(1):after {
		-webkit-animation-delay: 2.4s;
		animation-delay: 2.4s;
	}

	.star-fall:nth-child(2) {
		left: 200px;
		bottom: -200px;
	}

	.star-fall:nth-child(2):after {
		-webkit-animation-delay: 2s;
		animation-delay: 2s;
	}

	.star-fall:nth-child(3) {
		left: 430px;
		bottom: -50px;
	}

	.star-fall:nth-child(3):after {
		-webkit-animation-delay: 3.6s;
		animation-delay: 3.6s;
	}

	.star-fall:nth-child(4) {
		left: 400px;
		bottom: 100px;
	}

	.star-fall:nth-child(4):after {
		-webkit-animation-delay: 0.2s;
		animation-delay: 0.2s;
	}

	@-webkit-keyframes star-fall {
		20% {
			left: -100%;
		}

		100% {
			left: -100%;
		}
	}

	@keyframes star-fall {
		20% {
			left: -100%;
		}

		100% {
			left: -100%;
		}
	}
</style>